<template>
  <button @click="aAdd">
    {{ a }}/{{ aaa.c }}
  </button>
</template>

<script  lang="ts" setup>
import { ref, reactive } from 'vue';
const b = 666
const a: any = ref('')
const aaa: any = reactive({ c: null })
const aAdd = () => {
  a.value++;
  aaa.c += 2
  console.log(aaa.c);


}

</script>

<style>
button {
  width: 100px;
  height: 30px;
  margin-top: 50px;
}
</style>
